[INFO] fetching crate io-uring 0.5.0-alpha...
[INFO] testing io-uring-0.5.0-alpha against 1.49.0 for beta-1.50-1
[INFO] extracting crate io-uring 0.5.0-alpha into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate io-uring 0.5.0-alpha on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-uring 0.5.0-alpha
[INFO] finished tweaking crates.io crate io-uring 0.5.0-alpha
[INFO] tweaked toml for crates.io crate io-uring 0.5.0-alpha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate io-uring 0.5.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e1b3a8a9112b254ec139002d8fb683598ecb6549c6ab1c72da68af3f09c1c69
[INFO] running `Command { std: "docker" "start" "-a" "2e1b3a8a9112b254ec139002d8fb683598ecb6549c6ab1c72da68af3f09c1c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e1b3a8a9112b254ec139002d8fb683598ecb6549c6ab1c72da68af3f09c1c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1b3a8a9112b254ec139002d8fb683598ecb6549c6ab1c72da68af3f09c1c69", kill_on_drop: false }`
[INFO] [stdout] 2e1b3a8a9112b254ec139002d8fb683598ecb6549c6ab1c72da68af3f09c1c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8281a4415edffaa305ba6ad8303efbe611a375359912e7f102ed86e6c22c2d4
[INFO] running `Command { std: "docker" "start" "-a" "d8281a4415edffaa305ba6ad8303efbe611a375359912e7f102ed86e6c22c2d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling io-uring v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "d8281a4415edffaa305ba6ad8303efbe611a375359912e7f102ed86e6c22c2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8281a4415edffaa305ba6ad8303efbe611a375359912e7f102ed86e6c22c2d4", kill_on_drop: false }`
[INFO] [stdout] d8281a4415edffaa305ba6ad8303efbe611a375359912e7f102ed86e6c22c2d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfaf1ae8f45e2400bd060b4f965c0798cb6e8b31fd383e0e30ebef18f6601937
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cfaf1ae8f45e2400bd060b4f965c0798cb6e8b31fd383e0e30ebef18f6601937", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling io-uring v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 40.66s
[INFO] running `Command { std: "docker" "inspect" "cfaf1ae8f45e2400bd060b4f965c0798cb6e8b31fd383e0e30ebef18f6601937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfaf1ae8f45e2400bd060b4f965c0798cb6e8b31fd383e0e30ebef18f6601937", kill_on_drop: false }`
[INFO] [stdout] cfaf1ae8f45e2400bd060b4f965c0798cb6e8b31fd383e0e30ebef18f6601937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 420150c38b7246c7a2097fe1b84bfe34c675c960383f9cc1a1ccce20d84fd75e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "420150c38b7246c7a2097fe1b84bfe34c675c960383f9cc1a1ccce20d84fd75e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/io_uring-e58c75b6c51b1438
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_sqe__bindgen_ty_2 ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_sqe__bindgen_ty_1 ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_sqe ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_sqe__bindgen_ty_4__bindgen_ty_1__bindgen_ty_1 ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_sqe__bindgen_ty_4__bindgen_ty_1 ... ok
[INFO] [stdout] test sys::bindgen_test_layout___kernel_timespec ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_sqring_offsets ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_probe_op ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_cqe ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_probe ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_files_update ... ok
[INFO] [stdout] test sys::bindgen_test_layout_open_how ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_params ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_cqring_offsets ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_sqe__bindgen_ty_3 ... ok
[INFO] [stdout] test sys::bindgen_test_layout_io_uring_sqe__bindgen_ty_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io-uring
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "420150c38b7246c7a2097fe1b84bfe34c675c960383f9cc1a1ccce20d84fd75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420150c38b7246c7a2097fe1b84bfe34c675c960383f9cc1a1ccce20d84fd75e", kill_on_drop: false }`
[INFO] [stdout] 420150c38b7246c7a2097fe1b84bfe34c675c960383f9cc1a1ccce20d84fd75e